SAFTRON Gray SS-36 Single-Post Spa Support Rail with Lift & Turn Base for in-ground spas and partially submerged spas. (18" Wide x 36" Tall. Horizontal bar clears 22" Spa Side) Color is an intergral part of the material and not an after-coat Non metallic composite material does not get hot in the sun. Immune to the corrosive effects of salt water chlorinator systems. Non-conductive material conforms to NFPA and building codes without having to ground (bond) the rail. Maintenance-Free Material and Finish.